P&T Probe
Pressure and temperature measurement. Data analysis with Smartyplanet
The P, T multiparameter probe SP36XW is the ideal solution for measuring water level and temperature parameters.
It is designed for the hydrological control of different places such as rivers or water treatment plants.
The data collected by the sensors are accurate and reliable. Thanks to the full compatibility of the probe with the Smartyplanet web platform, the data is recorded and analyzed instantly.
Datasheet
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Environmental monitoring
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Surveillance of groundwater
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Water Treatment Plants
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Hydrological control
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5 ppm pressure sensor
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Mathematical Compensation of Nonlinearities and Temperature Dependencies
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Robust stainless steel case
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Lightning protection installed
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SDI-12 interface
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Wide range of level measurement
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Long-Term Stability
Specifications
| SENSORS PARAMETERS | SPECIFICATIONS |
|---|---|
| PRESSURE | |
Relative pressure Absolute pressure Water column meters | 0,3 1 3 10 30 0,8..2,3 0,8...4 0,8...11 0,8...31 3 10 30 100 300 |
| Overload resistance | max. 300% |
| Technology | Oil-filled, insulated, piezoresistive Pressure transducer in a metal housing |
| Resolution | typ. 5 ppm (corresponding to 0,0005 %FS) |
| Accuracy | ± 0,02 %FS max. (0,3 bar Range: ± 0,04 %FS) |
| Temperature range | 0 to 50ºC |
| Total error | ± 0,1 %FS max. (0,3 bar Range: ± 0,2 %FS) |
| Operating temperature | -20 to +80ºC |
| Measurement interval | 120, 240 (default), 480 Hz |
| Stability | range > 1 bar: ± 0,1 %FS max. range ≤ 1 bar: ± 1 mbar max. |
| Dependance grade on location | ± 1,5 mbar max. |
| TEMPERATURE | |
| Measurement range | -10 to +80ºC |
| Technology | Sillicon |
| Resolution | < 0,01 °C |
| Accuracy | Sensor sillicon typ. ± 0,3 °C Pt1000 sensor: ± 0,1 °C max. |
| Measurement interval | 12 Hz TOB 6 Hz Pt1000 without conductivity 1 Hz Pt1000 with conductivity |
| PARAMETERS | SPECIFICATIONS | |
|---|---|---|
| ELECTRICAL DATA | RS485 | SDI-12 |
| Power supply | 3,2 to 32 VDC | 6 to 32 VDC |
| Power consumption | <6mA (without conductivity) <14mA (with conductivity) | <0,1mA <5,5mA (without conductivity) <13 mA(with conductivity) |
| Start time | <300ms (P1, TOB1) 3s, 6s max. (P1, T, Con) | <1s <3s |
| GND | > 10 MΩ @ 300 V | |
| Resistance | > 10 mio.pressure cycles 0…100 %FS @ 25 °C |
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| Storage temperature | -20 to +80ºC | |
| DIGITAL INTERFACE | RS485 | SDI-12 |
| Communication protocol | MODBUS RTU KELLER bus | SDI-12 V1.3 |
| Baud Rates | 9600*, 115’200 bit/s | 1200 bit/s |
| Identification | Group class: 5.21 | |
| Pressure units | bar | bar, mbar, mH2O, psi, ftWC, inWC |
| Temperature units | ºC | ºC, ºF, K |
| Conductivity units | mS/cm | mS/cm |
| MECHANICAL DATA | ||
| Dimensions | ø 22 mm | |
| Weight | 170 g without wire | |
| Housing material | 316 stainless steel | |
| Wire material | Relative pressure: PE Absolut pressure: PE |
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| STANDARD AND PROTECTION | ||
| EMC standards | EN 61000-6-2: 2005 EN 61000-6-3: 2007 EN 61326-2-3: 2006 |
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Reverse polarity and overload protection | ± 32 VDC supply and RS485 ± 24 VDC SDI-12 |
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| Protection class | IP68 | |
